weather unit

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Across
  1. 6. a mixture of gases surrounding a planet
  2. 8. winds that most likely affect us and move from west to east
  3. 10. line on weather map that joins places based on air pressure
  4. 13. this air system brings rainy cloudy skies
  5. 15. used by sailors
  6. 16. grey clouds that cover much of the sky
  7. 19. fluffy white clouds
  8. 20. air from land to water
Down
  1. 1. mostly windless area near equator
  2. 2. lower part of thermosphere
  3. 3. the process in which a warm part of a fluid will rise and the cool will sink
  4. 4. gas to a liquid
  5. 5. layer in which ozone is found
  6. 7. this air system brings clear skies
  7. 9. coldest layer of atmosphere
  8. 11. trace substances concentrated at a greater level than average air
  9. 12. cool air over the ocean moving towards the land
  10. 14. high leveled clouds that are wispy
  11. 17. lowest layer of the atmosphere on earth
  12. 18. latin word meaning middle